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Drywall and Framing around Masonry Fireplace

Question asked by Jeff Wolpin on May 1, 2017
Latest reply on May 2, 2017 by Ray Norton

I have to replace the drywall surrounding a masonry fireplace with non-combustible hardibacker or wonderboard.  I may also have to replace any wood framing holding the drywall with metal framing.  As I read the 2010 NFPA code #11.2.5.4 it appears that any framing studs within 12 inches from the top and 6 inches to the side must be metal, however any framing outside those measurements can be wood.  Is that a correct interpretation, or must the entire wall be metal framing?

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